diff --git a/requirements.txt b/requirements.txt
index 7446ede..92c7317 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ greenlet==0.4.15
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 monotonic==1.5
 python-engineio==3.9.3